Omega Speedmaster Speedmaster Professional Missions Gemini X

Reference 3597.08.00

Omega Speedmaster Professional Missions Gemini X

About this watch

The Omega Speedmaster 3597.08.00 is a masterclass in luxury watchmaking, blending technical excellence with timeless design. This limited edition timepiece, part of the illustrious Speedmaster family, boasts a sleek black dial and stainless steel case that exudes both robustness and elegance. Powered by the reliable Omega caliber 1861 movement, this hand-wound masterpiece provides excellent performance for daily wear, with a frequency of 21,600 vibrations per hour and a 48-hour power reserve. The chronograph feature is a vital part of its appeal, offering practical functionality for various activities. With only 200 units produced between January 1997 and July 1998, this watch is a rare gem that combines history, craftsmanship, and luxury.

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Key Features

Omega caliber 1861 movement
Limited edition of 200 units
Stainless steel case and bracelet
Plexi glass instead of sapphire crystal
Chronograph feature with small seconds, hours, and minutes counters
Water resistance rating of 50 meters
42mm diameter and 20mm lug width

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Missions Gemini X

Reference

3597.08.00

Movement

1861

Movement Features

Small Seconds, Hours, Minutes
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster Green Gold ($30,500)

Omega - 310.60.42.50.10.001 · $30,500

This Omega Speedmaster features a 42mm case, green dial, and is in pristine condition.

Condition: pristine condition
Case size: 42mm diameter
Dial color: green

Posted at

Feb 17, 2026, 3:09 PM

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Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 · $2,300

A Omega Speedmaster Date in excellent condition, featuring a 7.5” wrist size and a removable bracelet with 7 links.

Condition: Excellent condition
Bracelet stretch: no stretch
Links removability: 7 removable links
Wrist size compatibility: about 7.5” wrist

Posted at

Feb 17, 2026, 1:46 PM

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BNIB 2026 Omega Speedmaster Moonwatch Professional White $7,950

Omega - 310.30.42.50.04.001 · $7,950

The Omega Speedmaster Moonwatch Professional features a glossy white lacquered dial, black markers, and red 'Speedmaster' text, with an updated 3861 movement and sapphire crystal. It has a 42mm case with a 5mm tapered bracelet and quick-adjustment system.

Condition: Brand new in box, no issues
Case size: 42mm diameter
Case thickness: 13.2mm
Movement: Hand wound Cal 3861

Posted at

Feb 17, 2026, 1:39 PM

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Forstner Contemporary Flat Link Bracelet for Omega Speedmaster 19mm

· $160

This is a Forstner polished/brushed flat link bracelet with end links designed for the Omega Speedmaster with a straight lug FOIS case. The watch features a push button clasp, spring links next to the clasp, and comes in excellent condition with minimal signs of wear.

Condition: excellent used
Material: polished/brushed flat link bracelet with end links
Fit: 19mm version fits the straight lug FOIS case
Clasp type: push button clasp

Posted at

Feb 17, 2026, 1:25 PM

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2024 Omega Speedmaster Chronograph Moonphase Stainless Steel Blue Dial on Blue Strap 304.33.44.52.03.001 B+P

Omega - 304.33.44.52.03.001 · $7,600

The Omega Speedmaster Moonphase Chronograph has a deep blue dial and matching strap, giving it a sporty but refined feel. The chronograph layout paired with the moonphase display adds detail and character without overwhelming the classic Speedmaster look.

Condition: Excellent condition
Case diameter: 44mm
Crystal material: Sapphire
Dial color: Blue

Posted at

Feb 17, 2026, 1:08 PM

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Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001 Full Set- $3999

Omega - 324.30.38.50.02.001 · $3,999

This Omega Speedmaster 38 Co-Axial Chronograph features a silver dial and is in excellent condition with very minimal wear.

Condition: Excellent overall condition, minimal wear
Case size: 40mm diameter
Bracelet type: Stainless steel

Posted at

Feb 17, 2026, 7:04 AM

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Omega Speedmaster Reduced, with two extra uncle bracelets

Omega - Speedmaster Reduced · $1,700

This Omega Speedmaster Reduced is a pre-owned watch that comes with two extra bracelets. The original bracelet and Lincoln bracelet may not fit wrists larger than 7 inches, while the US1171 bracelet has all its links.

Condition: Pre-owned, possibly polished case (not confirmed)
Bracelets included: 3
Bracelet sizes: [object Object]

Posted at

Feb 17, 2026, 2:32 AM

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2023 Omega Speedmaster "Blue Side of the Moon" Aventurine Dial - 304.93.44.52.03.002 - Full Set

Omega - 304.93.44.52.03.002 · $11,250

This Omega Speedmaster Blue Side of the Moon Aventurine features a 44.25mm blue ceramic case with Sedna gold accents, an aventurine glass dial, and Omega's Co-Axial Master Chronometer Caliber 9904 movement.

Condition: Very excellent preowned condition
Case size: 44.25mm
Water resistance: 50m
Movement: Omega Co-Axial Master Chronometer Caliber 9904 (manual wind, column-wheel chronograph, METAS certified)

Posted at

Feb 16, 2026, 10:32 PM

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Omega Speedmaster Racing 326.30.40.50.01.002 40mm Watch + Full Set

Omega - 326.30.40.50.01.002 · $2,950

This is a Omega Speedmaster Racing watch that has been well-maintained and comes in excellent condition. The watch features a 40mm diameter case and is accompanied by a full set of accessories.

Condition: Excellent
Purchase Year: 9 months ago
Previous Owner Count: 1

Posted at

Feb 16, 2026, 10:29 PM

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